Alert archive / Wyoming / Red Flag Warnings in 2012
Red Flag Warning 48, NWS Cheyenne, WY
NWS Cheyenne, WY issued this red flag warning at Aug 13, 2012, 4:05 AM MDT. It took effect at Aug 13, 2012, 10:00 AM MDT. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 13, 2012, 4:05 AM MDT (10:05 UTC)
- In effect from
- Aug 13, 2012, 10:00 AM MDT
- Expired
- Aug 13, 2012, 4:42 PM MDT
- In force
- 7 hr
- Issued by
- NWS Cheyenne, WY
The text
As transmitted, in the capitals the NWS used until 2016.
043 WWUS85 KCYS 131005 RFWCYS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 405 AM MDT MON AUG 13 2012 ...DRY THUNDERSTORMS EXPECTED FOR NORTHERN CARBON AND NORTHERN ALBANY COUNTIES...IN ADDITION TO THE NORTHERN LARAMIE RANGE TODAY... .AN UPPER LEVEL DISTURBANCE MOVING THROUGH WYOMING TODAY WILL PRODUCE ISOLATED THUNDERSTORMS ACROSS THE AREA LATE THIS MORNING AND INTO THE AFTERNOON. MONSOONAL MOISTURE MOVING OVERHEAD WILL FUEL HIGH BASED THUNDERSTORMS...HOWEVER LOW LEVEL HUMIDITIES ARE EXPECTED TO QUICKLY DROP INTO THE LOW TEENS TO LOW 20S BY LATE MORNING. THEREFORE...EVAPORATION OF RAINFALL IS LIKELY WITH THESE STORMS ALONG WITH GUSTY WINDS AND OCCASIONAL LIGHTNING. FIRE STARTS ARE POSSIBLE WITH DRY FUELS IN PLACE. WYZ302-303-306-308-132100- /O.NEW.KCYS.FW.W.0048.120813T1600Z-120814T0100Z/ NORTH LARAMIE RANGE/MEDICINE BOW NF- CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS- UPPER NORTH PLATTE RIVER BASIN-LARAMIE VALLEY/SHIRLEY BASIN- 405 AM MDT MON AUG 13 2012 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM MDT THIS EVENING FOR THUNDERSTORMS FOR FIRE WEATHER ZONES 302...303... 306 AND 308... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG WARNING FOR THUNDERSTORMS...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM MDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 302 NORTH LARAMIE RANGE/MEDICINE BOW NF...FIRE WEATHER ZONE 303 CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS...FIRE WEATHER ZONE 306 UPPER NORTH PLATTE RIVER BASIN AND FIRE WEATHER ZONE 308 LARAMIE VALLEY/SHIRLEY BASIN. * THUNDERSTORMS...HIGH BASED THUNDERSTORMS WILL DEVELOP LATE THIS MORNING AND CONTINUE THROUGH THE AFTERNOON...CREATING OCCASIONAL CLOUD TO GROUND LIGHTNING AND ERRATIC DOWNBURST WINDS. * OUTFLOW WINDS...ERRATIC WINDS GUSTING TO 45 MPH. * IMPACTS...CRITICAL FIRE WEATHER CONDITIONS DUE TO DRY THUNDERSTORMS ARE EXPECTED LATE THIS MORNING THROUGH THE AFTERNOON. MULTIPLE FIRE STARTS ARE ANTICIPATED WITH ANY THUNDERSTORMS THAT MOVE ACROSS NORTHERN CARBON AND NORTHERN ALBANY COUNTIES...INCLUDING THE NORTHERN LARAMIE RANGE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ RJM
2 follow-up statements
301 WWUS85 KCYS 132035 RFWCYS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 235 PM MDT MON AUG 13 2012 ...DRY THUNDERSTORMS STILL POSSIBLE INTO EARLY THIS EVENING MAINLY OVER ALBANY AND FAR EASTERN CARBON COUNTIES... .AN UPPER LEVEL DISTURBANCE MOVING ACROSS CENTRAL WYOMING THIS AFTERNOON WILL PRODUCE ISOLATED THUNDERSTORMS ACROSS THE AREA UNTIL EARLY THIS EVENING. SOME OF THESE STORMS WILL PRODUCE LIGHTNING AND GUSTY SURFACE WINDS THUS FIRE STARTS ARE POSSIBLE WITH DRY FUELS IN PLACE. WYZ302-303-306-308-140100- /O.CON.KCYS.FW.W.0048.000000T0000Z-120814T0100Z/ NORTH LARAMIE RANGE/MEDICINE BOW NF- CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS- UPPER NORTH PLATTE RIVER BASIN-LARAMIE VALLEY/SHIRLEY BASIN- 235 PM MDT MON AUG 13 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 302... 303...306 AND 308... * AFFECTED AREA...FIRE WEATHER ZONE 302 NORTH LARAMIE RANGE/MEDICINE BOW NF...FIRE WEATHER ZONE 303 CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS...FIRE WEATHER ZONE 306 UPPER NORTH PLATTE RIVER BASIN AND FIRE WEATHER ZONE 308 LARAMIE VALLEY/SHIRLEY BASIN. * THUNDERSTORMS...ISOLATED WEAK THUNDERSTORMS WILL CONTINUE THROUGH THE AFTERNOON...CREATING OCCASIONAL CLOUD TO GROUND LIGHTNING AND ERRATIC DOWNBURST WINDS. * OUTFLOW WINDS...ERRATIC WINDS GUSTING TO 45 MPH. * IMPACTS...CRITICAL FIRE WEATHER CONDITIONS DUE TO DRY THUNDERSTORMS ARE STILL POSSIBLE THROUGH THE AFTERNOON. MULTIPLE FIRE STARTS MAY OCCUR WITH ANY THUNDERSTORMS THAT MOVE ACROSS THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
074 WWUS85 KCYS 132242 RFWCYS URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 442 PM MDT MON AUG 13 2012 ...RED FLAG WARNING CANCELLED... WYZ302-303-306-308-132345- /O.CAN.KCYS.FW.W.0048.000000T0000Z-120814T0100Z/ NORTH LARAMIE RANGE/MEDICINE BOW NF- CENTRAL AND NORTHERN CARBON/FERRIS-SEMINOE-SHIRLEY MOUNTAINS- UPPER NORTH PLATTE RIVER BASIN-LARAMIE VALLEY/SHIRLEY BASIN- 442 PM MDT MON AUG 13 2012 ...RED FLAG WARNING IS CANCELLED FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 302...303...306 AND 308... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE RED FLAG WARNING. THUNDERSTORMS HAVE MOISTENED UP AND MOVED EAST OF THE WARNED AREA. THUS THE WARNING HAS BEEN CANCELLED. $$
Nearby
Red Flag Warnings in Wyoming, 2012Every red flag warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.